Java 用suo.nz给长链接生成短链接

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private HashMap<String, Object> doSendSms(BusiTranInfo info, String mobilePhone)  {

    //要转换的长的url链接
    String url ="https://xxx/";
        //key
    String shortConnectionTransitionKey = Global.getConfig(ApolloKey.SHORT_CONNECTION_TRANSITION_KEY);
        //shortConnectionTransitionUrl = http://suo.nz/api.php?format=json&url=
    String shortConnectionTransitionUrl = Global.getConfig(ApolloKey.SHORT_CONNECTION_TRANSITION_URL);

    HashMap<String,Object> map = Maps.newHashMap();

    try {
            // 获取当前时间往后推迟7天
      Date now = new Date();
      Calendar calendar = new GregorianCalendar();
      calendar.setTime(now);
      calendar.add(Calendar.DATE, 7);
      Date time = calendar.getTime();
      SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
      String dateString = formatter.format(time);

      String data = url+"?orderId="+ info.getBusiId()+"&orderTypeCode=2" ;
      //对要转换的长url编码 import java.net.URLEncoder;
           data =  URLEncoder.encode(data) ;

        url=shortConnectionTransitionUrl+  //短连接的URLAPI
           data +"&key="+ shortConnectionTransitionKey +"&expireDate="+dateString;
      logger.info("面签链接{}",url);

        // 调用人家的接口,转成短连接
      String ret = HttpUtils.httpGet(url);
      JSONObject json = JSONObject.parseObject(ret);
      String suoUrl = json.getString("url");  // 这就是短连接地址了
      String err = json.getString("err");
         
    }
    } catch (Exception e) {
    }


    return map;
  }